<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="../js/vue.js"></script>
  <style>
    .block{
        display: inline-block;
        border: 1px solid;
        }
    </style>
</head>
<body>
  <div id="app">
        <div class="block">不阻止默认行为</div>
        <div class="block" v-on:contextmenu.prevent="rightClick">阻止默认行为</div>
    </div>
  </div>
<br>
  <script>
    var vm = new Vue({
      el:"#app",
      data:{},
      methods:{
        rightClick:function(){
            alert("do something");
        }
    }
     })
   </script>
</body>
</html>